Preparation and characterization of PVA/arginine chitosan/ZnO NPs composite films

被引：38

作者：

Yang, Liu ^{[1
,2
]}

Ren, Lixuan ^{[1
,2
]}

Zhao, Yanzhen ^{[1
,2
]}

Liu, Siqun ^{[1
,2
]}

Wang, Huifang ^{[2
]}

Gao, Xianghua ^{[1
,2
]}

Niu, Baolong ^{[1
,2
,3
]}

Li, Wenfeng ^{[1
,2
,3
]}

机构：

[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China

[2] Taiyuan Univ Technol, Key Lab Interface Sci & Engn Adv Mat, Minist Educ, Taiyuan 030024, Peoples R China

[3] Taiyuan Univ Technol, Coll Mat Sci & Engn, Key Lab Interface Sci & Engn Adv Mat, Taiyuan 030024, Peoples R China

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2023年 / 226卷

基金：

中国国家自然科学基金;

关键词：

Modified chitosan; Nano ZnO; PVA; Antibacterial film; Food packaging; ANTIMICROBIAL ACTIVITY; ANTIBACTERIAL ACTION; ARGININE; NANOPARTICLES; ANTIOXIDANT; DELIVERY; MEMBRANES; CHITIN;

D O I：

10.1016/j.ijbiomac.2022.12.020

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In this study, arginineated chitosan (ACS) was used as a soft brain membrane and chelating agent to synthesize ACS-ZnO NPs, and then ACS and ACS-ZnO NPs were added to a polyvinyl alcohol (PVA) matrix as an antimi-crobial agent to form films by casting. The formation and structural morphology of ACS and ACS-ZnO NPs were investigated by applying FTIR, 1H NMR, XRD, EDS, SEM, and TEM techniques, and ACS has shown better water solubility. The cytotoxicity experiments of ACS and ACS-ZnO NPs on A549 cells showed that both had good cytocompatibility. The incorporation of ACS and ACS-ZnO NPs improves the composite film's mechanical properties, water barrier, and oxygen barrier and exhibits excellent antibacterial activities against S. aureus and E. coli. More importantly, in addition to extending the shelf life of cherry tomatoes, the composite film is also biodegradable to some degree. Therefore, polyvinyl alcohol films based on ACS and ACS-ZnO NPs added as antimicrobial agents have great potential for food packaging applications.

引用

页码：184 / 193

页数：10

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